Time to first fix optimization in a satellite navigation receiver

1. A method for reducing time to first fix in a satellite navigation receiver, comprising: constructing an integrated satellite constellation system configured to transmit navigation signals comprising navigation data over a combination of a first carrier frequency, a second carrier frequency, and a third carrier frequency, said construction comprising: positioning a predetermined number of geosynchronous satellites operating in said first carrier frequency and said second carrier frequency at first predetermined geographic coordinates in a geosynchronous orbit; and positioning a predetermined number of geostationary satellites operating in said third carrier frequency at second predetermined geographic coordinates in a geostationary orbit among said predetermined number of said geosynchronous satellites; and parallelly transmitting sub-frames of said navigation data to said satellite navigation receiver by said constructed integrated satellite constellation system over said combination of said first carrier frequency, said second carrier frequency, and said third carrier frequency in reduced time, thereby reducing said time to first fix in said satellite navigation receiver.

2. A method for reducing time to first fix in a satellite navigation receiver, comprising: parallelly receiving a plurality of navigation signals from a plurality of satellites of an integrated satellite constellation system by a satellite navigation receiver via a plurality of input channels, wherein each of said navigation signals comprises sub-frames configured to selectively accommodate navigation data, and wherein said satellite navigation receiver is configured to receive each of said sub-frames of said navigation data via one of said input channels; and extracting ephemeris data, ionospheric data, coordinated universal time data, and textual data from said sub-frames of said navigation data of said each of said navigation signals by said satellite navigation receiver, wherein said ephemeris data is extracted from said navigation signals transmitted over a third carrier frequency, and wherein said ionospheric data, said coordinated universal time data, and said textual data are extracted from said navigation signals transmitted over a first carrier frequency and a second carrier frequency; whereby parallel acquisition of said ephemeris data, said ionospheric data, said coordinated universal time data, and said textual data over said first carrier frequency, said second carrier frequency, and said third carrier frequency by said satellite navigation receiver reduces said time to first fix in said satellite navigation receiver.

3. The method of claim 2 , wherein said integrated satellite constellation system is constructed by: positioning a predetermined number of geosynchronous satellites operating in said first carrier frequency and said second carrier frequency at first predetermined geographic coordinates in a geosynchronous orbit; and positioning a predetermined number of geostationary satellites operating in said third carrier frequency at second predetermined geographic coordinates in a geostationary orbit among said predetermined number of said geosynchronous satellites.

4. A method for reducing time to first fix in a satellite navigation receiver, comprising: receiving primary navigation signals transmitted by a plurality of satellites of a constellation over a first carrier frequency and a second carrier frequency, by a plurality of ground monitoring stations; extracting primary navigation data comprising ephemeris data from said received primary navigation signals by said ground monitoring stations; relaying said extracted primary navigation data to a ground master control station by said ground monitoring stations; collating said relayed primary navigation data from said ground monitoring stations by said ground master control station to create a list of said satellites visible over a predetermined geographical location; determining selective ephemeris data from said relayed primary navigation data transmitted by said visible satellites, by said ground master control station; generating a navigation data structure configured to accommodate said selective ephemeris data by said ground master control station; transmitting said selective ephemeris data in said generated navigation data structure to geosynchronous satellites of an integrated satellite constellation system over a third carrier frequency by said ground master control station; and parallelly receiving said selective ephemeris data from said geosynchronous satellites of said integrated satellite constellation system by said satellite navigation receiver in reduced time, thereby reducing said time to first fix in said satellite navigation receiver.

5. The method of claim 4 , wherein said integrated satellite constellation system is constructed by: positioning a predetermined number of said geosynchronous satellites operating in said first carrier frequency and said second carrier frequency at first predetermined geographic coordinates in a geosynchronous orbit; and positioning a predetermined number of geostationary satellites operating in said third carrier frequency at second predetermined geographic coordinates in a geostationary orbit among said predetermined number of said geosynchronous satellites.

6. A method for reducing time to first fix in a satellite navigation receiver, comprising: receiving navigation signals transmitted by a plurality of satellites of a constellation over a first carrier frequency, a second carrier frequency, and a third carrier frequency by said satellite navigation receiver via a plurality of input channels, wherein each of said navigation signals is configured to accommodate navigation data comprising ephemeris data and time of week data; extracting ephemeris data from said received navigation signals over said third carrier frequency by said satellite navigation receiver by locking said input channels operating at said first carrier frequency and said second carrier frequency; and acquiring said time of week data from said satellites by said satellite navigation receiver over said first carrier frequency and said second carrier frequency; whereby said extraction of said ephemeris data over said third carrier frequency and said acquisition of said time of week data over said first carrier frequency and said second carrier frequency reduce said time to first fix in said satellite navigation receiver.

7. A method for reducing time to first fix in a satellite navigation receiver, comprising: receiving a plurality of navigation signals transmitted by a plurality of satellites of a constellation over a first carrier frequency and a second carrier frequency, by a plurality of ground monitoring stations; extracting navigation data from said received navigation signals by said ground monitoring stations; relaying said extracted navigation data to a ground master control station by said ground monitoring stations; collating said relayed navigation data from said ground monitoring stations by said ground master control station to create a list of said satellites visible over a predetermined geographical location; generating a navigation data structure comprising a first sub-frame, a second sub-frame, and a third sub-frame configured to selectively accommodate ephemeris data and clock parameters extracted from said collated navigation data by said ground master control station; parallelly transmitting said ephemeris data and said clock parameters in said first sub-frame, said second sub-frame, and said third sub-frame of said generated navigation data structure to geosynchronous satellites of an integrated satellite constellation system over a third carrier frequency by said ground master control station; and parallelly receiving said ephemeris data and said clock parameters from said geosynchronous satellites of said integrated satellite constellation system by said satellite navigation receiver in reduced time, thereby reducing said time to first fix in said satellite navigation receiver.

8. A method for reducing time to first fix in a satellite navigation receiver, comprising: receiving navigation signals transmitted over a dedicated carrier frequency by geostationary satellites of an integrated satellite constellation system by said satellite navigation receiver, wherein said satellite navigation receiver is operating in a restricted mode; receiving navigation signals transmitted over a first carrier frequency and a second carrier frequency by geosynchronous satellites of said integrated satellite constellation by said satellite navigation receiver; and acquiring ephemeris data from said navigation signals transmitted over said dedicated carrier frequency, and almanac data, coordinated universal time data, ionospheric data, and clock parameters from said navigation signals transmitted over said first carrier frequency and said second carrier frequency by said satellite navigation receiver in reduced time, thereby reducing said time to first fix in said satellite navigation receiver.

9. The method of claim 8 , wherein said navigation signals transmitted over said dedicated carrier frequency are configured for a predetermined frequency and a predetermined signal strength.

10. A method for reducing time to first fix in a satellite navigation receiver, comprising: acquiring time of week data from first navigation signals transmitted over a third carrier frequency by said satellite navigation receiver; acquiring a restricted signal transmitted over a dedicated carrier frequency based on said acquired time of week data by said satellite navigation receiver; and acquiring ephemeris data from second navigation signals transmitted over said dedicated carrier frequency, and almanac data, ionospheric data, and clock parameters from third navigation signals transmitted over a first carrier frequency and a second carrier frequency by said satellite navigation receiver in reduced time, thereby reducing said time to first fix in said satellite navigation receiver.

11. A system for reducing time to first fix in a satellite navigation receiver, comprising: an integrated satellite constellation system configured to transmit navigation signals comprising navigation data over a combination of a first carrier frequency, a second carrier frequency, and a third carrier frequency, said integrated satellite constellation system comprising: a predetermined number of geosynchronous satellites operating in said first carrier frequency and said second carrier frequency and positioned at first predetermined geographic coordinates in a geosynchronous orbit; a predetermined number of geostationary satellites operating in said third carrier frequency and positioned at second predetermined geographic coordinates in a geostationary orbit among said predetermined number of said geosynchronous satellites; and a navigation data transmission unit configured to parallelly transmit sub-frames of said navigation data to said satellite navigation receiver over said combination of said first carrier frequency, said second carrier frequency, and said third carrier frequency in reduced time, thereby reducing said time to first fix in said satellite navigation receiver; and said satellite navigation receiver comprising: a navigation signal reception unit configured to parallelly receive said navigation signals from said integrated satellite constellation system via a plurality of input channels, wherein said navigation signal reception unit is configured to receive each of said sub-frames of said navigation data from said navigation signals via one of said input channels; at least one first processor configured to execute modules of said satellite navigation receiver; a non-transitory computer readable storage medium communicatively coupled to said at least one first processor, said non-transitory computer readable storage medium configured to store said modules of said satellite navigation receiver; and said modules of said satellite navigation receiver comprising: a data extraction module configured to extract ephemeris data, ionospheric data, coordinated universal time data, and textual data from said sub-frames of said navigation data of each of said navigation signals, wherein said data extraction module is configured to extract said ephemeris data from said navigation signals transmitted over said third carrier frequency, and wherein said data extraction module is configured to extract said ionospheric data, said coordinated universal time data, and said textual data from said navigation signals transmitted over said first carrier frequency and said second carrier frequency; said navigation signal reception unit further configured to parallelly acquire said ephemeris data, said ionospheric data, said coordinated universal time data, and said textual data over said first carrier frequency, said second carrier frequency, and said third carrier frequency, thereby reducing said time to first fix in said satellite navigation receiver.

12. The system of claim 11 , wherein said navigation signal reception unit of said satellite navigation receiver is further configured to receive said navigation signals transmitted by a plurality of satellites of a constellation over said first carrier frequency, said second carrier frequency, and said third carrier frequency via said input channels, wherein said each of said navigation signals is configured to accommodate said navigation data comprising said ephemeris data and time of week data.

13. The system of claim 12 , wherein said data extraction module of said satellite navigation receiver is further configured to extract said ephemeris data from said received navigation signals over said third carrier frequency by locking said input channels operating at said first carrier frequency and said second carrier frequency.

14. The system of claim 12 , wherein said navigation signal reception unit of said satellite navigation receiver is further configured to acquire said time of week data from said satellites over said first carrier frequency and said second carrier frequency.

15. The system of claim 11 , further comprising: a plurality of ground monitoring stations configured to receive primary navigation signals transmitted by a plurality of satellites of a constellation over said first carrier frequency and said second carrier frequency, said ground monitoring stations comprising modules executable by at least one second processor, said modules of said ground monitoring stations comprising: a navigation data extraction module configured to extract primary navigation data comprising said ephemeris data from said received primary navigation signals; and a navigation data relay module configured to relay said extracted primary navigation data to a ground master control station; said ground master control station comprising modules executable by at least one third processor, said modules of said ground master control station comprising: a data collation module configured to collate said relayed primary navigation data from said ground monitoring stations to create a list of said satellites visible over a predetermined geographical location; said data collation module configured to determine selective ephemeris data from said relayed primary navigation data transmitted by said visible satellites; a navigation data structure generation module configured to generate a navigation data structure, said navigation data structure configured to accommodate said selective ephemeris data; and a data transmission module configured to transmit said selective ephemeris data in said generated navigation data structure to said geosynchronous satellites of said integrated satellite constellation system over said third carrier frequency; and said navigation signal reception unit of said satellite navigation receiver further configured to parallelly receive said selective ephemeris data from said geosynchronous satellites of said integrated satellite constellation system in reduced time, thereby reducing said time to first fix in said satellite navigation receiver.

16. The system of claim 15 , wherein said navigation data structure generation module of said ground master control station is further configured to generate said navigation data structure comprising a first sub-frame, a second sub-frame, and a third sub-frame configured to selectively accommodate said ephemeris data and clock parameters extracted from said collated navigation data.

17. The system of claim 16 , wherein said data transmission module of said ground master control station is further configured to parallelly transmit said ephemeris data and said clock parameters in said first sub-frame, said second sub-frame, and said third sub-frame of said generated navigation data structure to said geosynchronous satellites of said integrated satellite constellation system over said third carrier frequency.

18. The system of claim 17 , wherein said navigation signal reception unit of said satellite navigation receiver is further configured to parallelly receive said ephemeris data and said clock parameters from said geosynchronous satellites of said integrated satellite constellation system in reduced time, thereby reducing said time to first fix in said satellite navigation receiver.

19. The system of claim 11 , wherein said navigation signal reception unit of said satellite navigation receiver is further configured to perform: receiving said navigation signals transmitted over a dedicated carrier frequency by said geostationary satellites of said integrated satellite constellation system, wherein said satellite navigation receiver is operating in a restricted mode; receiving said navigation signals transmitted over said first carrier frequency and said second carrier frequency by said geosynchronous satellites of said integrated satellite constellation; and acquiring said ephemeris data from said navigation signals transmitted over said dedicated carrier frequency, and almanac data, said coordinated universal time data, said ionospheric data, and clock parameters from said navigation signals transmitted over said first carrier frequency and said second carrier frequency in reduced time, thereby reducing said time to first fix in said satellite navigation receiver.

20. The system of claim 19 , wherein said navigation signals transmitted over said dedicated carrier frequency are configured for a predetermined frequency and a predetermined signal strength.

21. The system of claim 11 , wherein said data extraction module of said satellite navigation receiver is further configured to perform: acquiring time of week data from first navigation signals transmitted over said third carrier frequency; acquiring a restricted signal transmitted over a dedicated carrier frequency based on said acquired time of week data; and acquiring said ephemeris data from second navigation signals transmitted over said dedicated carrier frequency, and almanac data, said ionospheric data, and clock parameters from third navigation signals transmitted over said first carrier frequency and said second carrier frequency in reduced time, thereby reducing said time to first fix in said satellite navigation receiver.